Element block pseudo-element :before generated with margin 0px display block border 0px rgba(0,0,0,1) solid cursor default z-index auto box-sizing content-box padding 20px font-weight normal float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden box-shadow 0px 0px 9px rgba(0,0,0,0.5) width 160px font-size 16px transform border-radius height auto transition line-height 1 position static background